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9x-7=-7 what is the answer and show work
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2 votes
9x-7=-7 what is the answer and show work

User Dmitriano
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2 Answers

1 vote
9x-7=-7
+7 +7

9x=0
/9 /9

x=0/9=0

User Tomasz Rup
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8.4k points
5 votes
First add 7 to both sides.
9x-7=-7
+7. +7
9x=0
x would equal 0, since 9×0=0.
User Ulug Toprak
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8.5k points
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